code: def test_default_exception_handler():
      update_function = MagicMock(side_effect=ValueError())
      engine = Engine(update_function)
  
      with raises(ValueError):
          engine.run([1])
  
imports: import functools
  import gc
  from unittest.mock import call, create_autospec, MagicMock
  import pytest
  from pytest import raises
  from ignite.engine import Engine, Events, State
  from ignite.engine.events import EventsList
label_desc: Use image node_id 16 for calling a global function with example usage: test_default_exception_handler() without return types